Intergas HRE 36/40 - NTC Resistances

Intergas Heating Ltd 47
13.2 Electrical diagram HRE 36/40
A Earth connections heat-exchanger F Fuse (2A T) P1 CH pump S3 DHW sensor
B
Spark plug cover
G
Gas valve + ignition unit
R
Resistance
S5
Flow switch
C
Boiler controller
I
Ionisation-/ ignition probe
S1
Flow sensor
S7
CH water pressure sensor
E
Earth connections boiler controller
M
Main voltage
S2
Return sensor
V
Fan
Connector X4
24V=
4-5 External saving switch (remove connection)
6-7
On/off room thermostat (0,1A-24Vdc) and/or frost thermostat (remove connection 6-7)
8-9
External sensor (12k ohm / 25°C)
11-12
OpenTherm thermostat (remove connection 6-7)
Connector X2
230V ~
1-3 Room thermostat 230 AC (1 = Switch live, 3 = Live(fused)
1-3
Frost thermostat 230 AC (1 = Switch live, 3 = Live(fused)
3-6
Power supply (230 V) fan
2-4
Mains (2 = Live (brown), 4 = Neutral (blue))
7-8
CV-pump (8 = Live (brown), 7 = Neutral (blue)
3-5-6
Shut-off valve, floor heating (3 = Live (brown), 5 = Switch (black), 6 = Neutral (blue) (VC4013 Honeywell
230V~)
Connector X5
Computer interface
13.3 NTC resistances
NTC 12kOhm
T [°C]
R[ohm]
T [°C]
R[ohm]
T [°C]
R[ohm]
-
15
76020
25
12000
65
2752
-
10
58
880
30
9805
70
2337
-
5
45950
35
8055
75
1994
0
36130
40
6653
80
1707
5
28600
45
5522
85
1467
10
22800
50
4609
90
1266
15
18300
55
3863
95
1096
20
14770
60
3253
100
952